Down in the mouth, depressed (8)
I believe the answer is:
downcast
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">down in the mouth</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">depressed</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that depressed can be written as downcast)</span><br/ ><br/ ></span>
(Other definitions for downcast that I've seen before include "Low in spirits" , "disheartened" , "Sad" , "Depressed - looking at the floor?" , "directed towards ground" .)